(a) The HCA has overall responsibility for managing the procurement program assigned to the activity.

(b) The HCA's level of contracting authority, if any, shall be specified in the HCA's appointment letter.

(c) The HCA has the authority to appoint and terminate contracting officers with authority to conduct procurements of up to and including the simplified acquisition threshold or the maximum order threshold or limitation for orders placed against Federal Supply Schedule contracts, and to terminate such appointments (Micro-purchase Level and Level I warrant appointments).